2120878240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{12907}}^1$

素因数の和:13014

約数の個数: 96

約数和(自身を含む): 5464730880

約数和(自身を除く): 3343852640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 395, 416, 520, 632, 790, 1027, 1040, 1264, 1580, 2054, 2080, 2528, 3160, 4108, 5135, 6320, 8216, 10270, 12640, 12907, 16432, 20540, 25814, 32864, 41080, 51628, 64535, 82160, 103256, 129070, 164320, 167791, 206512, 258140, 335582, 413024, 516280, 671164, 838955, 1019653, 1032560, 1342328, 1677910, 2039306, 2065120, 2684656, 3355820, 4078612, 5098265, 5369312, 6711640, 8157224, 10196530, 13255489, 13423280, 16314448, 20393060, 26510978, 26846560, 32628896, 40786120, 53021956, 66277445, 81572240, 106043912, 132554890, 163144480, 212087824, 265109780, 424175648, 530219560, 1060439120, 2120878240]

約数ペア:

[(1, 2120878240), (2, 1060439120), (4, 530219560), (5, 424175648), (8, 265109780), (10, 212087824), (13, 163144480), (16, 132554890), (20, 106043912), (26, 81572240), (32, 66277445), (40, 53021956), (52, 40786120), (65, 32628896), (79, 26846560), (80, 26510978), (104, 20393060), (130, 16314448), (158, 13423280), (160, 13255489), (208, 10196530), (260, 8157224), (316, 6711640), (395, 5369312), (416, 5098265), (520, 4078612), (632, 3355820), (790, 2684656), (1027, 2065120), (1040, 2039306), (1264, 1677910), (1580, 1342328), (2054, 1032560), (2080, 1019653), (2528, 838955), (3160, 671164), (4108, 516280), (5135, 413024), (6320, 335582), (8216, 258140), (10270, 206512), (12640, 167791), (12907, 164320), (16432, 129070), (20540, 103256), (25814, 82160), (32864, 64535), (41080, 51628)]